/*
 * To change this template, choose Tools | Templates
 * and open the template in the editor.
 */
package org.zattix.servlet;

import java.io.IOException;
import javax.ejb.EJB;
import javax.servlet.ServletException;
import javax.servlet.annotation.WebServlet;
import javax.servlet.http.HttpServlet;
import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import org.zattix.bean.Discussion;
import org.zattix.bean.Message;
import org.zattix.ejb.DiscussionFacade;
import org.zattix.ejb.MessageFacade;
import org.zattix.util.Utility;

/**
 *
 * @author s.rainoldi
 */
@WebServlet(name = "ServletDiscussion", urlPatterns = {"/discussion"})
public class ServletDiscussion extends HttpServlet {

    @EJB
    private DiscussionFacade discussionFacade;
    
    @EJB
    private MessageFacade messageFacade;

    protected void processRequest(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        Long id = Long.parseLong(request.getParameter("id"));
        String title = request.getParameter("name");
        Discussion discussion = discussionFacade.find(id);
        if (discussion != null) {
            if (request.getMethod().equals("POST")) {
                String text = request.getParameter("text");
                if(text != null){
                    Message message = new Message();
                    message.setText(text);
                    message.setDiscussion(discussion);
                    messageFacade.create(message);
                    discussion.getMessages().add(message);
                    discussionFacade.edit(discussion);
                }
            }
            
            request.setAttribute("title", Utility.htmlentities(discussion.getTitle()));
            request.setAttribute("selectedCategory", discussion.getCategory());
            request.setAttribute("discussion", discussion);
            request.getRequestDispatcher("/WEB-INF/pages/discussion.jsp").forward(request, response);
        }
    }

    // <editor-fold defaultstate="collapsed" desc="HttpServlet methods. Click on the + sign on the left to edit the code.">
    /**
     * Handles the HTTP
     * <code>GET</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doGet(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Handles the HTTP
     * <code>POST</code> method.
     *
     * @param request servlet request
     * @param response servlet response
     * @throws ServletException if a servlet-specific error occurs
     * @throws IOException if an I/O error occurs
     */
    @Override
    protected void doPost(HttpServletRequest request, HttpServletResponse response)
            throws ServletException, IOException {
        processRequest(request, response);
    }

    /**
     * Returns a short description of the servlet.
     *
     * @return a String containing servlet description
     */
    @Override
    public String getServletInfo() {
        return "Short description";
    }// </editor-fold>
}
